What is embedded Tomcat? : A lightweight tomcat that can be packaged and run independently with the project.
The advantage of embedded Tomcat: no need to package the project into war package every time. You can run directly.
Use of embedded Tomcat: https://devcenter.heroku.com/articles/create-a-java-web-application-using-embedded-tomcat
Embedded Tomcat official website: http://tomcat.apache.org/tomcat-6.0-doc/api/org/apache/catalina/startup/Embedded.html
Embedded Tomcat source code analysis: In fact, it is the same as Tomcat, but the startup method is different.
Hosting: https://mvnrepository.com/artifact/org.apache.tomcat.embed/tomcat-embed-core
https://repo1.maven.org/maven2/org/apache/tomcat/embed/tomcat-embed-core/8.5.14/
